US $5.26
Technical parameter:
Working Voltage: AC 3-16V or DC5-24V
Product size: 100MM* 45MM
Operational amplifier Chip: AD828
4-way: treble, Midrange, bass, total volume
Packaging Including:
1 x AD828 Tone Board
AD828 HIFI Stereo Preamp amplifier board volume Tone Control Pre-amp Board
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